MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / includes / password / MWOldPassword.php

diff --git a/includes/password/MWOldPassword.php b/includes/password/MWOldPassword.php
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+<?php
+/**
+ * Implements the MWOldPassword class for the MediaWiki software.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * The old style of MediaWiki password hashing. It involves
+ * running MD5 on the password.
+ *
+ * @since 1.24
+ */
+class MWOldPassword extends ParameterizedPassword {
+       protected function getDefaultParams() {
+               return [];
+       }
+
+       protected function getDelimiter() {
+               return ':';
+       }
+
+       public function crypt( $plaintext ) {
+               if ( count( $this->args ) === 1 ) {
+                       // Accept (but do not generate) salted passwords with :A: prefix.
+                       // These are actually B-type passwords, but an error in a previous
+                       // version of MediaWiki caused them to be written with an :A:
+                       // prefix.
+                       $this->hash = md5( $this->args[0] . '-' . md5( $plaintext ) );
+               } else {
+                       $this->args = [];
+                       $this->hash = md5( $plaintext );
+               }
+
+               if ( !is_string( $this->hash ) || strlen( $this->hash ) < 32 ) {
+                       throw new PasswordError( 'Error when hashing password.' );
+               }
+       }
+}